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Screening of non‐ Saccharomyces wine yeasts for the presence of extracellular hydrolytic enzymes

Screening of non‐ Saccharomyces wine yeasts for the presence of extracellular hydrolytic enzymes Twenty‐six strains of yeasts, belonging to the genera Candida, Debaryomyces, Hanseniaspora, Hansenula, Kloeckera, Metschnikowia, Pichia, Saccharomyces and Torulaspora previously isolated from wines, were screened for the production of extracellular pectinases, amylases, lipases, proteases and β‐glucosidases. Some strains of Candida species and Hanseniaspora uvarum/Kloeckera apiculata produced extracellular proteolytic or lipolytic activities. Most yeasts exhibited β‐glucosidase activity, but particularly high activity was observed in strains of Pichia anomala/Candida pelliculosa (formerly Hansenula anomala) and Hanseniaspora uvarum/Kloeckera apiculata. The potential impact of these enzymes on wine quality is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australian Journal of Grape and Wine Research Wiley

Screening of non‐ Saccharomyces wine yeasts for the presence of extracellular hydrolytic enzymes

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Publisher
Wiley
Copyright
Copyright © 1997 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1322-7130
eISSN
1755-0238
DOI
10.1111/j.1755-0238.1997.tb00109.x
Publisher site
See Article on Publisher Site

Abstract

Twenty‐six strains of yeasts, belonging to the genera Candida, Debaryomyces, Hanseniaspora, Hansenula, Kloeckera, Metschnikowia, Pichia, Saccharomyces and Torulaspora previously isolated from wines, were screened for the production of extracellular pectinases, amylases, lipases, proteases and β‐glucosidases. Some strains of Candida species and Hanseniaspora uvarum/Kloeckera apiculata produced extracellular proteolytic or lipolytic activities. Most yeasts exhibited β‐glucosidase activity, but particularly high activity was observed in strains of Pichia anomala/Candida pelliculosa (formerly Hansenula anomala) and Hanseniaspora uvarum/Kloeckera apiculata. The potential impact of these enzymes on wine quality is discussed.

Journal

Australian Journal of Grape and Wine Research – Wiley

Published: Apr 1, 1997

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